CA2973248C - Systems and methods for actuating a transformer neutral blocking system - Google Patents

Systems and methods for actuating a transformer neutral blocking system Download PDF

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Publication number
CA2973248C
CA2973248C CA2973248A CA2973248A CA2973248C CA 2973248 C CA2973248 C CA 2973248C CA 2973248 A CA2973248 A CA 2973248A CA 2973248 A CA2973248 A CA 2973248A CA 2973248 C CA2973248 C CA 2973248C
Authority
CA
Canada
Prior art keywords
measurement
current
electrical
switch assembly
measurement probe
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CA2973248A
Other languages
English (en)
French (fr)
Other versions
CA2973248A1 (en
Inventor
Greg Fuchs
Wallace Jensen
David Blake Jackson
Frederick R. Faxvog
Gale Nordling
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Emprimus LLC
Original Assignee
Emprimus LLC
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Emprimus LLC filed Critical Emprimus LLC
Priority to CA3199372A priority Critical patent/CA3199372A1/en
Publication of CA2973248A1 publication Critical patent/CA2973248A1/en
Application granted granted Critical
Publication of CA2973248C publication Critical patent/CA2973248C/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H7/00—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions
    • H02H7/04—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for transformers
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H3/00—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection
    • H02H3/08—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to excess current
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H3/00—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection
    • H02H3/20—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to excess voltage
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H3/00—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection
    • H02H3/50—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to the appearance of abnormal wave forms, e.g. ac in dc installations
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H5/00—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal non-electric working conditions with or without subsequent reconnection
    • H02H5/005—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal non-electric working conditions with or without subsequent reconnection responsive to ionising radiation; Nuclear-radiation circumvention circuits

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Emergency Protection Circuit Devices (AREA)
  • Transformers For Measuring Instruments (AREA)
  • Protection Of Transformers (AREA)
  • Measuring Instrument Details And Bridges, And Automatic Balancing Devices (AREA)
CA2973248A 2015-01-06 2016-01-06 Systems and methods for actuating a transformer neutral blocking system Active CA2973248C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CA3199372A CA3199372A1 (en) 2015-01-06 2016-01-06 Systems and methods for actuating a transformer neutral blocking system

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US201562100395P 2015-01-06 2015-01-06
US62/100,395 2015-01-06
PCT/US2016/012358 WO2016112118A1 (en) 2015-01-06 2016-01-06 Systems and methods for actuating a transformer neutral blocking system

Related Child Applications (1)

Application Number Title Priority Date Filing Date
CA3199372A Division CA3199372A1 (en) 2015-01-06 2016-01-06 Systems and methods for actuating a transformer neutral blocking system

Publications (2)

Publication Number Publication Date
CA2973248A1 CA2973248A1 (en) 2016-07-14
CA2973248C true CA2973248C (en) 2023-07-18

Family

ID=55349934

Family Applications (2)

Application Number Title Priority Date Filing Date
CA3199372A Pending CA3199372A1 (en) 2015-01-06 2016-01-06 Systems and methods for actuating a transformer neutral blocking system
CA2973248A Active CA2973248C (en) 2015-01-06 2016-01-06 Systems and methods for actuating a transformer neutral blocking system

Family Applications Before (1)

Application Number Title Priority Date Filing Date
CA3199372A Pending CA3199372A1 (en) 2015-01-06 2016-01-06 Systems and methods for actuating a transformer neutral blocking system

Country Status (9)

Country Link
US (2) US10199821B2 (de)
EP (3) EP3813214A1 (de)
JP (2) JP6728225B2 (de)
KR (1) KR102599752B1 (de)
CA (2) CA3199372A1 (de)
DK (1) DK3243251T3 (de)
ES (1) ES2926134T3 (de)
IL (2) IL253277B (de)
WO (1) WO2016112118A1 (de)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
USRE48775E1 (en) 2010-07-20 2021-10-12 Techhold, Llc Self-testing features of sensing and control electronics for a power grid protection system
MX355500B (es) 2013-02-20 2018-04-20 Emprimus Llc Proteccion contra voltaje excesivo para sistemas de energia.
WO2016112118A1 (en) * 2015-01-06 2016-07-14 Greg Fuchs Systems and methods for actuating a transformer neutral blocking system
WO2016171960A1 (en) * 2015-04-23 2016-10-27 New York University Reduction of geomagnetically induced currents
US11372038B2 (en) * 2016-11-11 2022-06-28 University Of Tennessee Research Foundation Magnetic field based wireless GMD/EMP-E3 impact monitoring device
US10985559B2 (en) 2017-02-03 2021-04-20 Techhold Llc Method and system for improved operation of power grid components in the presence of direct current (DC)
US11451047B2 (en) 2017-03-30 2022-09-20 Techhold, Llc Protection of electrical devices based on electromagnetic pulse signal
EP3707792B1 (de) * 2017-11-07 2023-08-09 Centerpoint Energy, Inc. Elektromagnetisches abschwächungsmodul einer unterstation
US11224150B2 (en) * 2017-11-07 2022-01-11 Centerpoint Energy, Inc. Electromagnetic mitigation modules for public utility facilities
US10530151B2 (en) * 2018-01-09 2020-01-07 Timothy A Carty System and method for suppressing electromagnetic pulse-induced electrical system surges
WO2020069384A1 (en) * 2018-09-28 2020-04-02 Emprimus, Llc Power grid protection via transformer neutral blocking systems and triggered phase disconnection
US11239654B1 (en) 2019-01-19 2022-02-01 Faraday Defense Corporation Surge protection device for complex transients
US11451044B2 (en) * 2019-11-22 2022-09-20 Techhold, Llc Automated self testing of power grid transformer protection systems
US11374503B2 (en) 2020-03-13 2022-06-28 Savannah River Nuclear Solutions, Llc DC compensation for power transformer through neutral DC injection
IL298453A (en) 2020-05-22 2023-01-01 Techhold Llc Overvoltage protection assembly
EP4289035A1 (de) * 2021-02-08 2023-12-13 TechHold, LLC Steuersystem für transformatorschutzsystem
US11990746B2 (en) 2021-10-01 2024-05-21 Faraday Defense Corporation Apparatus for detection of electrical disturbances resulting from electromagnetic pulse and solar storm
CN117423559B (zh) * 2023-12-18 2024-03-12 西安西电高压开关有限责任公司 一种快速开关电磁斥力机构

Family Cites Families (59)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3619723A (en) 1970-09-30 1971-11-09 Gen Electric Sensitive peak current detector for ground fault protection circuits
US3916261A (en) 1974-02-25 1975-10-28 Square D Co Ground fault protective system including improved impedance detecting means
US4153891A (en) 1977-12-16 1979-05-08 General Electric Company Transient voltage distribution improving line shield for layer wound power transformer
JPS5546820A (en) * 1978-09-26 1980-04-02 Tokyo Shibaura Electric Co Protecting relay
US4297738A (en) 1979-10-29 1981-10-27 Electric Power Research Institute, Inc. Apparatus for and method of detecting high impedance faults on distribution circuits with delta connected loads
JPS5846804U (ja) * 1981-09-25 1983-03-29 株式会社東芝 蒸気タ−ビン冷却装置
JPS5913313A (ja) 1982-07-13 1984-01-24 Mitsubishi Electric Corp 変圧器の直流偏磁矯正方法
DE3230404A1 (de) 1982-08-16 1984-02-16 Siemens AG, 1000 Berlin und 8000 München Verfahren und einrichtung zum schaltfehlergeschuetzten betaetigen einer aus mehreren schaltfeldern bestehenden schaltanlage in einem elektrischen energieverteilungsnetz
US4580186A (en) 1983-07-15 1986-04-01 Parker Douglas F Grounding and ground fault detection circuits
US4654806A (en) 1984-03-30 1987-03-31 Westinghouse Electric Corp. Method and apparatus for monitoring transformers
EP0240783B1 (de) * 1986-04-09 1991-02-27 BBC Brown Boveri AG Ansprechzähler für einen Überspannungsableiter
JPS6390778A (ja) * 1986-10-03 1988-04-21 Fuji Electric Co Ltd 誘導電器巻線保護用避雷器の動作監視装置
JP2607648B2 (ja) 1988-11-24 1997-05-07 株式会社日立製作所 電力変換装置
JPH03207224A (ja) * 1990-01-08 1991-09-10 Hitachi Ltd 地磁気誘導電流補償装置
US5179489A (en) 1990-04-04 1993-01-12 Oliver Bernard M Method and means for suppressing geomagnetically induced currents
US5136453A (en) 1990-04-04 1992-08-04 Oliver Bernard M Method and means for suppressing geomagnetically induced currents
US5220480A (en) 1990-10-16 1993-06-15 Cooper Power Systems, Inc. Low voltage, high energy surge arrester for secondary applications
JPH0581973A (ja) 1991-09-25 1993-04-02 Toshiba Corp 直流遮断器
JPH05258837A (ja) * 1992-03-13 1993-10-08 Nec Corp トリガドスパークギャップの寿命認識方法
US5390064A (en) 1992-07-07 1995-02-14 American Superconductor Corp. Current limiters in power utility applications
JPH06260308A (ja) * 1993-03-04 1994-09-16 Hitachi Ltd 中性点接地装置
CA2183176C (en) 1995-08-18 2000-10-24 Brian R. Pelly High power dc blocking device for ac and fault current grounding
US5684466A (en) 1995-09-12 1997-11-04 The Charles Machine Work, Inc. Electrical strike system control for subsurface boring equipment
US6144341A (en) 1997-08-18 2000-11-07 Credence Technologies, Inc. Electromagnetic emission location and measurement apparatus and method
US5982276A (en) 1998-05-07 1999-11-09 Media Fusion Corp. Magnetic field based power transmission line communication method and system
US5930099A (en) 1998-06-30 1999-07-27 Siemens Westinghouse Power Corporation Grounding arrangement for a powerline system
US6188552B1 (en) 1998-08-07 2001-02-13 Eaton Corporation High resistance grounding systems for oil well electrical systems
US6362628B2 (en) 1998-12-21 2002-03-26 Pass & Seymour, Inc. Arc fault circuit detector device detecting pulse width modulation of arc noise
GB2347225A (en) 1999-02-25 2000-08-30 C K Electronics Sdn Bhd Electric utility meter with means to detect and report theft
US6560086B2 (en) 1999-05-13 2003-05-06 Smart Power Systems, Inc. Transient voltage surge suppressor
US6229682B1 (en) 1999-05-13 2001-05-08 Ieps Electronic, Inc. Transient voltage surge suppressor
JP2001028829A (ja) 1999-07-13 2001-01-30 Toshiba Corp ディジタル形保護継電装置
US7529069B1 (en) 2002-08-08 2009-05-05 Weems Ii Warren A Apparatus and method for ground fault detection and location in electrical systems
JP4474115B2 (ja) 2003-05-26 2010-06-02 関西電力株式会社 蓄電池放電特性測定装置
US7321291B2 (en) 2004-10-26 2008-01-22 Current Technologies, Llc Power line communications system and method of operating the same
SE527406C2 (sv) 2004-05-10 2006-02-28 Forskarpatent I Syd Ab Förfarande och DC-avledare för skydd av kraftsystem mot geomagnetiskt inducerade strömmar
US7344202B2 (en) 2005-05-11 2008-03-18 General Electric Company System and method for dealing with ground fault conditions that can arise in an electrical propulsion system
US7945213B2 (en) 2006-06-01 2011-05-17 Market Central, Inc. Transient RF detector and recorder
US7598857B1 (en) 2006-06-20 2009-10-06 Amber Networks Inc. Detection system
US7589943B2 (en) * 2007-03-24 2009-09-15 Ramirez Vanessa De Los Angeles GIC reducer
US7755869B2 (en) 2007-08-22 2010-07-13 Northlake Engineering, Inc. Ground protection device for electronic stability and personal safety
US7541995B1 (en) 2007-09-25 2009-06-02 The United States Of America As Represented By The Secretary Of The Navy Electromagnetic signal proximity detection systems and methods
US7969696B2 (en) 2007-12-06 2011-06-28 Honeywell International Inc. Ground fault detection and localization in an ungrounded or floating DC electrical system
US8248740B2 (en) 2008-09-19 2012-08-21 Advanced Fusion Systems, Llc High speed current shunt
US8300378B2 (en) 2008-09-19 2012-10-30 Advanced Fusion Systems, Llc Method and apparatus for protecting power systems from extraordinary electromagnetic pulses
US8773107B2 (en) 2009-10-16 2014-07-08 Emprimus, Llc Electromagnetic field detection systems and methods
US8547710B2 (en) 2009-10-16 2013-10-01 Emprimus, Llc Electromagnetically shielded power module
WO2011047376A2 (en) 2009-10-16 2011-04-21 Emprimus, Inc. Modular electromagnetically shielded enclosure
US8035935B2 (en) 2009-10-19 2011-10-11 Vanessa Ramirez Countermeasure for EMP-E3 induced currents
US8760859B2 (en) 2010-05-03 2014-06-24 Emprimus, Llc Electromagnetically-shielded portable storage device
US8537508B2 (en) * 2010-07-20 2013-09-17 Emprimus, Llc Sensing and control electronics for a power grid protection system
US8878396B2 (en) * 2010-07-20 2014-11-04 Emprimus, Llc Continuous uninterruptable AC grounding system for power system protection
US9077172B2 (en) * 2012-05-21 2015-07-07 Emprimus, Llc Self-testing features of sensing and control electronics for a power grid protection system
US9018962B2 (en) * 2012-04-25 2015-04-28 Advanced Power Technologies, Inc Method and apparatus for protecting power transformers from large electro-magnetic disturbances
US9564753B2 (en) * 2012-05-21 2017-02-07 Emprimus, Llc Transformer protection circuit and method
WO2016112118A1 (en) * 2015-01-06 2016-07-14 Greg Fuchs Systems and methods for actuating a transformer neutral blocking system
WO2016171960A1 (en) * 2015-04-23 2016-10-27 New York University Reduction of geomagnetically induced currents
US10985559B2 (en) 2017-02-03 2021-04-20 Techhold Llc Method and system for improved operation of power grid components in the presence of direct current (DC)
US11451047B2 (en) 2017-03-30 2022-09-20 Techhold, Llc Protection of electrical devices based on electromagnetic pulse signal

Also Published As

Publication number Publication date
JP2020174527A (ja) 2020-10-22
JP6728225B2 (ja) 2020-07-22
US20180205217A1 (en) 2018-07-19
US10931096B2 (en) 2021-02-23
ES2926134T3 (es) 2022-10-24
EP3243251B1 (de) 2022-06-01
IL263041B (en) 2022-01-01
EP3813214A1 (de) 2021-04-28
CA3199372A1 (en) 2016-07-14
IL253277A0 (en) 2017-08-31
JP6856808B2 (ja) 2021-04-14
US20160197469A1 (en) 2016-07-07
KR20170103851A (ko) 2017-09-13
KR102599752B1 (ko) 2023-11-08
EP3243251A1 (de) 2017-11-15
IL263041A (en) 2018-12-31
IL253277B (en) 2021-09-30
DK3243251T3 (da) 2022-08-22
EP4297217A3 (de) 2024-03-13
CA2973248A1 (en) 2016-07-14
WO2016112118A1 (en) 2016-07-14
JP2018501775A (ja) 2018-01-18
EP4297217A2 (de) 2023-12-27
US10199821B2 (en) 2019-02-05

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